Abstract
Deep drawing is one of metal forming manufacturing processes which can be used to produce many products, e.g. kitchen ware, automotive parts, etc. Although this particular manufacturing company has applied the Japanese standard JIS G 3141 as guidance to select a steel plate for deep drawing application, the deep drawing process at this company is still failed. Therefore, this manuscript discusses more deeply the metallurgical analysis of selected steel plates to produce a deep-drawn product with 0.5 thickness. Analysis presented in this manuscript comprises the influence of chemical composition of a steel plate on its mechanical property, i.e., tensile strength, elongation, and hardness. As a result, a correlation between chemical composition and expected mechanical property to manufacture a drink cup is outlined. Moreover, recommended chemical composition of a steel plate is also presented.
Highlights
Nowadays, the selection of kitchen ware product always considers its aesthetic and functionality
The punch force should be higher than the yield point of the steel plate, so that the product will plastically deform without any springback defect
Higher hardness leads to difficult deep drawing process since it leads to higher punch force
Summary
The selection of kitchen ware product always considers its aesthetic and functionality. One of the kitchen ware often used in daily life is a drink cup. In this manuscript, the selection of steel plate materials for deep drawing process is outlined. Deep drawing process discussed in this work is to manufacture a drink cup whose diamater (Rp) is 12 cm and height is 14 cm. In the deep drawing process, force is applied both to hold a steel plate (blank) as well as a pressure fore from the punch (Figure 1). The punch force will change the steel blank into a drink cup due to stretching of steel blank according to dimension and shape of the die
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